> The best argument for
>
> <HTML LANG=xx>
>
> is that the document is self describing and can be transported via http, ftp,
> mail, gopher, webnfs, imap, etc. and still have proper identification in the
> web client application (could be a browser, could be indexing engine, could
> be a translation service, etc.)
I second this. More, or read directly.
> The best argument for
>
> <META HTTP-EQUIV...>
>
> is that document authors can add information to the http headers without
> special actions taken by a site administrator.
Even the language is in <HTML LANG=xx>, the server must pick-up the
language and transmit it with the header.
Tomas